Article: 40365
The Hand Warmer catalytic burner uses Zippo's special refined fuel and provides continuous heat release for up to 12 hours. Slim, compact design, easy to fit in a pocket or glove.
Features:
1. No open fire:
Glass fiber coated with a layer of platinum catalyst provides a catalytic
combustion with the release of heat in the absence of a flame.
2. Economical:
Generates heat for 12 hours on just 0.4 ounces (12 grams) of fuel.
3.Environmentally friendly:
Multiple use. Virtually no pollution by combustion products.
Virtually odorless during combustion.
4. Comfortable size:
The slim profile makes it easy to carry the heating pad in a glove or pocket.
5. Device and working principle:
The heating pad consists of a tank filled with cotton wool, a nozzle with a mesh cartridge, in which
Catalyst placed, and caps with vent holes
Peculiarities
No open fire.
Glass fiber coated with a layer of platinum catalyst provides catalytic combustion with heat release in the absence of a flame.
High efficiency.
The most effective handheld device availablefor heating.
Economical.
Generates heat for 12 hours with just 0.4 ounces (12 grams) of fuel.
Environmentally friendly
Multiple use. Virtually no pollution by combustion products. Virtually odorless during combustion.
Convenient size.
The slim profile makes it easy to carry the heating pad in a glove or pocket.
A bit of history.
During the firstDuring the World War, millions of soldiers froze in the trenches, and during the four years of the war, the inventors of the USA, Japan and England patented several versions of pocket liquid heaters. The principle of their operation was simple: catalytic flameless oxidation of alcohol or gasoline. Platinum served as the catalyst in all cases. The Japanese heating pad looked like a cigarette case, inside of which there was a reservoir filled with cotton and a platinum gasket. Holes were drilled in the housing for air supply to the catalyst and removal of combustion gases. To run galcohol was poured into the reservoir, which impregnated the cotton wool. Then the catalyst was heated with a match flame, and the catalytic reaction began.
The Soviet industry produced a gasoline catalytic heater GK-1, which, when fully charged, could give off heat for 8-14 hours at a temperature of up to 60 ° C, i.e. at the pain threshold.
Device and principle of operation
The heating pad consists of a tank filled with cotton wool, a nozzle with a mesh cartridge, in which a roller is placed.blockage, and lids with ventilation holes.
The principle of operation of the heater is based on the release of heat during the flameless oxidation of gasoline vapors in the presence of a catalyst. Gasoline vapors from the tank pass through the catalytic cartridge, where they are oxidized by atmospheric oxygen (burn without a flame) on the surface of the heated catalyst. Oxidation products exit into the ventilation openings of the cover. At the same time, air containing oxygen enters the catalyst surface through the ventilation openings of the cover. CatalystThe catalytic mesh, made of glass fibers coated with platinum, is the most important part of the heater.
Fuel for heating pads - gasolines of the highest degree of purification: gasoline for lighters and Kalosha gasoline are well suited for these purposes. The use of other types of fuel can lead to rapid clogging of the catalytic mesh, which will affect its efficiency.
Helpful Hints
Before using the heater, it is advisable to heat the grid in the catalytic cartridge over a gas primusA m-burner, a spirit lamp, over everything that gives a clean fire without smoke and soot - just heat the grid red-hot and cool in air. ), for this purpose, you can use a piece of plastic film in cold conditions, before starting the heating pad, it must be brought to a temperature of 10-15 ° C (warm with your breath, hold it in your hands, in your bosom, etc.) - this is necessary for concentrationand fuel vapors on the catalyst grid, heat the grid in the catalytic cartridge for 10-15 seconds, it is advisable to use a lighter that does not give soot and keep the heating pad ready for use under clothing, thereby preventing the heating pad body from cooling, however, do not forget about the air flow required for normal operation of the heating pad, use the heating pad together with the fabric bag included in its kit. It is designed to regulate the flow of oxygen entering the heating pad, as well as to prevent burns when using it.Use the syringe or measuring vessel included with the heating pad to dose the heating pad if you only need to use the catalytic heater for a certain time. there it is often LEADED, i.e. contains an additive - tetraethyl lead (TES). Which "kills" the catalyst. Inhalation of thermal power plant vapors causes severe damage to the nervous system.
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